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January 24, 2017
Structure Function Principle
CLG835H
Work hydraulic system
4. Boom raise
When the control level is shifted to the lifting position, the pilot pressure oil from the pilot valve acts on
the pilot oil port at b2 end of the boom union, the boom union valve rod 8, which works in right position,
moves leftwards, the pressure oil from P port returns to the boom union reversing valve rod via the orifice
of boom union valve rod 8 and the pressure compensation valve 7, after reversing, the pressure oil
enters into big cavity of the boom cylinder, meanwhile, LS oil line from the pressure compensation valve
7 acts (via shuttle valve) on flow control valve of variable pump and controls the displacement of the
pump. Oil from small cavity of boom cylinder is connected with oil return port T of the control valve via
boom union valve rod 8, boom cylinder piston rod extends to realize boom rise.
P18H00022
Summary of Contents for CLG835H
Page 2: ......
Page 4: ...Contents January 24 2017 CLG835H...
Page 6: ...1 2 General Information January 24 2017 CLG835H...
Page 38: ...1 34 Machine Inspection Table January 24 2017 CLG835H...
Page 156: ...3 2 Power Train System January 24 2017 CLG835H...
Page 214: ...3 2 Power Train System January 24 2017 CLG835H...
Page 272: ...3 60 Testing and adjustment January 24 2017 Power Train Test CLG835H...
Page 276: ...4 4 Hydraulic System January 24 2017 CLG835H...
Page 552: ...6 2 Driver s Cab System January 24 2017 CLG835H...
Page 608: ...7 2 Structure January 24 2017 CLG835H...
Page 662: ...8 4 Electrical System January 24 2017 CLG835H...
Page 677: ...8 19 January 24 2017 Structure Function Principle CLG835H Power System P18E00014...